<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="商品名称" prop="productName">
        <el-input
          v-model="queryParams.productName"
          placeholder="请输入商品名称"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="商品类别" prop="categoryId">
        <el-select v-model="queryParams.categoryId" placeholder="请选择商品类别" clearable>
          <el-option v-for="item in categoryOptions" :key="item.id" :label="item.category" :value="item.id">
          </el-option>
        </el-select>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['Product:product:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['Product:product:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['Product:product:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['Product:product:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="productList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="商品编号" align="center" prop="id" />
      <el-table-column label="商品变种编号" align="center" prop="variantId"/>
      <el-table-column label="商品名称" align="center" prop="productName" />
      <el-table-column label="商品类别" align="center" prop="categoryName" />
      <el-table-column label="商品属性" align="center" prop="attributeN" />
      <el-table-column label="制造商" align="center" prop="manufacturer" />
      <el-table-column label="进货价格" align="center" prop="purchasePrice" :formatter="formatPrice" >
        <template #default="{ row }">
          {{ formatPrice(row, 'purchasePrice') }}
        </template>
      </el-table-column>
      <el-table-column label="销售价格" align="center" prop="'price'" :formatter="formatPrice" >
        <template #default="{ row }">
          {{ formatPrice(row, 'price') }}
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['Product:product:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['Product:product:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品信息对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="productRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="商品名称" prop="productName">
          <el-input v-model="form.productName" placeholder="请输入商品名" />
        </el-form-item>
        <el-form-item label="商品类别" prop="categoryId">
          <el-select v-model="form.categoryId" @change="getProductAttributes(form.categoryId)" placeholder="请选择商品类别" >
            <el-option v-for="item in categoryOptions" :key="item.id" :label="item.category" :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="制造商" prop="manufacturer">
          <el-input v-model="form.manufacturer" placeholder="请输入制造商" />
        </el-form-item>
        <el-form-item label="商品单位" prop="unit">
          <el-select v-model="form.unit" placeholder="请选择商品单位" >
            <el-option v-for="item in unit"  :label="item.dictLabel" :value="item.dictValue">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="商品属性"  prop="attribute">
          <el-cascader :props="props" v-model="form.attribute"   :options="attribute" collapse-tags clearable/>


        </el-form-item>
        <el-form-item label="商品进价" prop="purchasePrice">
          <el-input v-model="form.purchasePrice" placeholder="请输入商品进价" />
        </el-form-item>
        <el-form-item label="商品售价" prop="price">
          <el-input v-model="form.price" placeholder="请输入商品售价" />
        </el-form-item>

      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Product">
import {
  listProduct,
  getProduct,
  delProduct,
  addProduct,
  updateProduct,
  getProductCategory,
  getProductUnit,
  getProductAttribute
} from "@/api/product/product.js";

const { proxy } = getCurrentInstance();
const attributeNum = ref(0)
const productList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");
const unit = ref([])
const categoryOptions = ref([])
const unitOptions = reactive({})
const defaultValue = 1
const props = reactive(
    {
      expandTrigger: 'hover',
      value:'value',
      label:'label',
      children:'children',
      checkStrictly: true,
        multiple: true
      }
)
const attribute = ref([
])




const data = reactive({
  form: {
    categoryId: 1,
  },
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    productName: null,
    categoryId: null,
  },
  rules: {
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询商品信息列表 */
function getList() {
  loading.value = true;
  listProduct(queryParams.value).then(response => {
    productList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
  getProductCategory().then(response => {
    categoryOptions.value = response.data;
  });
}

// 格式化函数
function formatPrice(row, property) {
  return `${row[property]}元`;
}
// 取消按钮
function cancel() {
  open.value = false;
  reset();
}
function getProductAttributes(id){
  getProductAttribute(id).then(response => {
    attribute.value = response.data;
  })
}
// 表单重置
function reset() {
  form.value = {
    id: null,
    variantId:null,
    productName: null,
    categoryId: null,
    manufacturer: null,
    purchasePrice: null,
    sellingPrice: null,
    createdAt: null,
    updatedAt: null,
    attributeNum:0,
    attribute:null
  };
  proxy.resetForm("productRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.variantId);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  getProductCategory().then(response => {
    categoryOptions.value = response.data;
  });
  getProductUnit().then(response => {
    unit.value = response.data;
  })

  title.value = "添加商品信息";
}
function removeSpaces(obj) {
  if (typeof obj === 'string') {
    return obj.replace(/\s/g, '');
  } else if (Array.isArray(obj)) {
    return obj.map(removeSpaces);
  } else if (typeof obj === 'object' && obj !== null) {
    return Object.fromEntries(
        Object.entries(obj).map(([key, value]) => [key, removeSpaces(value)])
    );
  }
  return obj;
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.variantId|| ids.value
  getProduct(_id).then(response => {
    console.log(_id)
    unitOptions.value = response.data.unitN;
    getProductCategory().then(response => {
      categoryOptions.value = response.data;
    });
    getProductUnit().then(response => {
      unit.value = response.data;
    })

    form.value = response.data;
    form.value.unit += "";

     form.value.attribute = removeSpaces(response.data.attribute);
    form.value.variantId = row.variantId;

    console.log(form.value)
    // form.value.unit=response.data.unitN
    getProductAttributes(form.value.categoryId)
    open.value = true;
    title.value = "修改商品信息";
  });
}
function transformAttributeToCascaderFormat(attributeData) {
  return attributeData.map(([category, value]) => ({
    value: category.trim(),
    label: category.trim(),
    children: [{
      value: value.trim(),
      label: value.trim()
    }]
  }));
}


/** 提交按钮 */
function submitForm() {
  proxy.$refs["productRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateProduct(form.value).then(response => {
          //console.log(form.value)
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addProduct(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}
function addAttribute() {
  attributeNum.value = attributeNum.value + 1
  console.log(attributeNum.value)

}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.variantId || ids.value;
  // console.log(row)
  proxy.$modal.confirm('是否确认删除商品信息编号为"' + _ids + '"的数据项？').then(function() {
    return delProduct(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {});
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('Product/product/export', {
    ...queryParams.value
  }, `product_${new Date().getTime()}.xlsx`)
}

getList();
</script>
